Answer:
• The Enlightenment was a cultural and intellectual movement, primarily European, that was born in the mid-eighteenth century and lasted until the early years of the nineteenth century.
• Mettinics innovation to curb nationalism 1799
• sweep of revolution across Europe 1848: The revolutions of 1848 were characterized by the importance of nationalist demonstrations and the beginning of the first organized demonstrations of the workers' movement.
• Formation of kingdom of Italy 1861: The Kingdom of Italy (in Italian: "Regno d'Italia") was the name assumed on March 17, 1861 by the state emerged after the Italian national unification (1848-1870) led by Victor Manuel II who was crowned King of Italy in 1861.